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About

Steven R. Majewski is a leading astrophysicist renowned for his pioneering work in Galactic archaeology and the structure of the Milky Way. His major contributions center on mapping stellar tidal streams—the fossil remnants of dwarf galaxies and star clusters torn apart by our Galaxy’s gravity. Through his pilot surveys with modest aperture telescopes, Majewski has demonstrated that these low-surface-brightness tidal features are ubiquitous in spiral galaxies, providing critical evidence for the hierarchical assembly of galaxies. His 2010 paper on stellar tidal streams in the Local Volume has garnered over 390 citations, underscoring its foundational impact. Majewski also played a key role in the BigBOSS experiment (now DESI), a Stage IV dark energy project designed to measure baryon acoustic oscillations across 14,000 square degrees. As a principal investigator of the Sloan Digital Sky Survey’s Apache Point Observatory Galactic Evolution Experiment (APOGEE), he has advanced our understanding of the Milky Way’s chemical and kinematic substructure. His work bridges small-scale tidal interactions with large-scale cosmology, making him a central figure in modern Galactic astronomy.